Tractor · 1939Unverified
Farmall A
Farmall A — Row-Crop tractor · 17 hp. Reference specifications; pending source verification.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
17 hp
Max power
12.2 kW
Weight
1088 kg
Hover a source tag to verify
Overview
ManufacturerFarmall (a part of International Harvester)Reference
Row-Crop tractorReference
FactoriesChicago, Illinois, USAReference
FactoriesLouisville, Kentucky, USAReference
Total built117,552Reference
Original price was $750 in 1947Reference
The Farmall A and B were nearly identical tractors. The A featured an offset engine and wide front end. The offset engine was known as "Cultivision". The B had a centered engine, seat offset to the right, and narrow front end. A high-crop AV version was available.Reference
Two-wheel driveReference
Manual steeringReference
Mechanical contracting band brakesReference
Open operator station.Reference
Variants
AVVegetable cropReference
AIInternational industrialReference
Engine
International Harvester 1.9L 4-cyl gasolineReference
International Harvester 1.9L 4-cyl keroseneReference
Fuel tank37.9 LReference
Aux. fuel3.8 LReference
Drawbar (claimed)12.9 kWReference
Belt (claimed)14.2 kWReference
Plows1Reference
Drawbar (tested)12.2 kWReference
Belt (tested)13.7 kWReference
International Harvester C113Reference
gasolineReference
4-cylinderReference
liquid-cooled inlineReference
Displacement1.9 LReference
Bore/Stroke76 x 102 mmReference
Compression6.0:1Reference
Rated RPM1400Reference
Idle RPM900-1400Reference
Firing order1-3-4-2Reference
StartermanualReference
StarterelectricReference
Starter volts6Reference
Coolant capacity12.3 LReference
Oil capacity4.7 LReference
Oil change120 hReference
International HarvesterReference
keroseneReference
liquid-cooledReference
Belt power (max)13.7 kWReference
Max power12.2 kWReference
Belt power (max)12.3 kWReference
Max power11.3 kWReference
Transmission
4-speed gearReference
ManufacturerInternational HarvesterReference
TypegearReference
Gears4 forward and 1 reverseReference
PTO & Hydraulics
TypeIH Pneumatic Lift-AllReference
Rear PTOtransmissionReference
Rear PTO Type540 (1.125)Reference
Dimensions
Weight1088 kgReference
Front tire4.00-15Reference
Rear tire8-24Reference
Ag front4.00-15Reference
Ag rear8-24Reference
Ag front9-24Reference
Ag front10-24Reference
Ag front5-30Reference
Length270 cmReference
Width195 cmReference
Height (steering wheel)160 cmReference
Ballasted weight1564 kgReference
Clearance (front axle)55 cmReference
Clearance (rear axle)53 cmReference
Front tread109 cmReference
Front tread111 to 162 cmReference
Rear tread101 to 172 cmReference
A Serial Number Location
Serial number plate on the seat support bracket. On very early model A tractors the serial number plate is on the cross-frame below the pedals.Reference
A Serial Numbers
1939FAA501Reference
1940FAA6744Reference
1941FAA41500Reference
1942FAA80739Reference
1944FAA96390Reference
1945FAA113218Reference
1946FAA146700Reference
1947FAA182964 (Chicago)Reference
FinalFAA198298 (Chicago)Reference
1947FAA200001 (Louisville)Reference
FinalFAA220829 (Louisville)Reference
FAQ: How to read a serial number table.Reference
Capacities
Diameter21 cmReference
Width15 cmReference
RPM1157Reference
Speed784.56 meters/minReference
Electrical
GroundpositiveReference
Charging systemgeneratorReference
Battery volts6Reference
Test results
NTTL 329: gasoline 4-speed 2WDReference
NTTL 330: distillate 4-speed 2WDReference
Gasoline 4-speed 2WDSeptember 28 - October 6, 1939Link: Nebraska Tractor Test 329 fileReference
Belt fuel use (max)6.1 l/hourReference
Drawbar performanceReference
Gear 2 used for power test.Reference
Max pull1082 kgReference
Gear 1 used for pull test.Reference
Distillate 4-speed 2WDOctober 9 - 16, 1939Link: Nebraska Tractor Test 330 fileReference
Belt fuel use (max)5.3 l/hourReference
Max pull1070 kgReference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.